Unexclude mri refinement tests

Author: ssnickolay

test/mri/excludes/TestRefinement.rb

@@ -1,20 +1,13 @@
 exclude :test_eval_with_binding_scoping, "needs investigation"
 exclude :test_include_refinement, "needs investigation"
-exclude :test_instance_methods_not_include_superclass_method, "needs investigation"
 exclude :test_prepend_after_refine, "needs investigation"
-exclude :test_redefine_refined_method, "needs investigation"
 exclude :test_refine_module, "needs investigation"
-exclude :test_refine_with_proc, "needs investigation"
-exclude :test_singleton_method_should_not_use_refinements, "needs investigation"
-exclude :test_super_to_module, "needs investigation"
-exclude :test_undef_original_method, "needs investigation"
-exclude :test_used_modules, "needs investigation"
-exclude :test_warn_setconst_in_refinmenet, "needs investigation"
-exclude :test_include_into_refinement, "needs investigation"
-exclude :test_prepend_into_refinement, "needs investigation"
 exclude :test_refine_prepended_class, "needs investigation"
-exclude :test_send_should_use_refinements, "needs investigation"
+exclude :test_refine_with_proc, "needs investigation"
 exclude :test_respond_to_should_use_refinements, "needs investigation"
 exclude :test_tostring, "needs investigation"
+exclude :test_undef_original_method, "needs investigation"
+exclude :test_used_modules, "needs investigation"
 exclude :test_using_wrong_argument, "needs investigation"
+exclude :test_warn_setconst_in_refinmenet, "needs investigation"
 exclude :test_public_send_should_use_refinements, "needs investigation"